US6801040B2
Electronic battery tester with battery failure temperature determination
Summary by NHIP
Battery Failure Temperature Tester
The method determines a critical failure temperature for a storage battery using open circuit voltage, temperature, and dynamic parameters like conductance or resistance. This temperature-based system rates battery performance to clarify results for non-experts.
Abstract
A method and apparatus for testing a storage battery is provided that generates a temperature at which the battery will fail to meet performance criteria. The use of a temperature-based system to rate battery performance provides a clearer understanding to those not skilled in the art of battery testing. The critical failure temperature is obtained using the battery parameters of open circuit voltage, temperature and a dynamic parameter such as conductance or resistance.
Term
Term ended
Expired 14 March 2023, 3.5 years ago.
- Priority
- Filed
- Granted
- Expired
- Today
Every citation, both waysCites: the store holds 117 of 118
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169 members in 8 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 36465602 | United States of America | P | |
| 38885503 | United States of America | A | |
| 60364656 | – | – | – |
| US20020364656P | – | – | – |
| US20030388855 | – | – | – |
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| Fee paymentFPAY | FPAY | |
| Surcharge for late paymentSULP | SULP | |
| Maintenance fee reminder mailedREMI | REMI | |
| AssignmentAS | AS | |
| AssignmentAS | AS | |
| AssignmentAS | AS | |
| Fee paymentFPAY | FPAY | |
| Fee paymentFPAY | FPAY | |
| Information on status: patent grantGrantedPATENTED CASESTCF | STCF | |
| AssignmentAS | AS | |
| Erratum"ALL REFERENCE TO PATENT NO. 6801040 TO KEVIN T. BERTNESS, ET AL OF ILLINOIS, FOR ELECTRONIC BATTERY TESTER WITH BATTERY FAILURE TEMPERATURE DETERMINATION APPEARING IN THE OFFICIAL GAZETTE OF 20041005 SHOULD BE DELETED SINCE NO PATENT WAS GRANTED."ERR | ERR | |
| AssignmentAS | AS |
Numbers
- Publication, DOCDB
- 6801040
- Publication, EPODOC
- US6801040
- Application
- 10388855
- Application, DOCDB
- 38885503
- Application, EPODOC
- US20030388855
Titles
- English
- Electronic battery tester with battery failure temperature determination
Classification
- CPC, 2
- G01R31/386
- G01R31/385
- IPC, 1
- G01R31 36